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ATP is a cosubstrate of the luciferase of the earthworm Fridericia heliota (Annelida: Clitellata: Oligochaeta: Enchytraeidae) / N. S. Rodionova, V. S. Bondar', V. N. Petushkov // Doklady Biochemistry and Biophysics. - 2003. - Vol. 392, Is. 1-6. - P253-255, DOI 10.1023/A:1026134628735 . - ISSN 1607-6729
Кл.слова (ненормированные):
adenosine diphosphate -- adenosine phosphate -- adenosine triphosphate -- luciferase -- luciferin -- magnesium -- animal cell -- article -- controlled study -- earthworm -- hydrolysis -- luminescence -- nonhuman -- Adenosine Diphosphate -- Adenosine Triphosphate -- Animals -- Firefly Luciferin -- Kinetics -- Luciferases -- Luminescent Measurements -- Magnesium -- Oligochaeta -- Substrate Specificity -- Animalia -- Annelida -- Clitellata -- Enchytraeidae -- Pheretima sieboldi

Scopus
Держатели документа:
Institute of Biophysics, Siberian Division, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk, 660036, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Rodionova, N.S.; Bondar', V.S.; Petushkov, V.N.

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Characteristics of oxygen transport through the surface of the isolated perfused rat liver / K. V. Shadrin [et al.] // Doklad. Biochem. Biophys. - 2015. - Vol. 464, Is. 1. - P298-300, DOI 10.1134/S1607672915050075 . - ISSN 1607-6729
Аннотация: It is shown that the transport of oxygen through the surface of the isolated perfused rat liver is an energy-dependent process that requires the energy of ATP hydrolysis. © 2015, Pleiades Publishing, Ltd.

Scopus,
WOS
Держатели документа:
Krasnoyarsk Research Center, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, Russian Federation
Siberian Federal University, Svobodnyi pr. 79, Krasnoyarsk, Russian Federation
Voino-Yasenetskii State Medical University, Ministry of Health of the Russian Federation, ul. Partizana Zheleznyaka 1, Krasnoyarsk, Krasnoyarsk Krai, Russian Federation
Institute of Biophysics, Siberian Branch, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Shadrin, K. V.; Morgulis, I. I.; Pahomova, V. G.; Rupenko, A. P.; Khlebopros, R. G.

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Designing a reusable system based on nanodiamonds for biochemical determination of urea / N. O. Ronzhin [et al.] // Doklad. Biochem. Biophys. - 2015. - Vol. 465, Is. 1. - P428-431, DOI 10.1134/S1607672915060216 . - ISSN 1607-6729
Аннотация: A reusable system including urease covalently bound to the surface of modified nanodiamonds (MNDs) has been developed for the multiple determination of urea. The immobilized enzyme exhibits functional activity and catalyzes the hydrolysis of urea to yield ammonia. The presence of ammonia is confirmed by the formation of a colored product after the addition of chemical reagents. It was shown that the MNDs-urease complex can function in a wide range of temperatures and pH as well as in deionized water. The complex provides a linear yield of the product at low analyte concentrations and allows the multiple determination of urea in vitro. © 2015, Pleiades Publishing, Ltd.

Scopus,
WOS
Держатели документа:
Institute of Biophysics, Siberian Branch, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk, Russian Federation
Siberian Federal University, Svobodnyi pr. 79, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Ronzhin, N. O.; Baron, A. V.; Bondar, V. S.; Gitelson, I. I.

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Study of Hydration and Hydrolysis of Pu(IV) by the Density Functional Method / M. K. Ganusova [et al.] // Chem. Sustain. Dev. - 2017. - Vol. 25, Is. 3. - P239-246. - Cited References:36 . - ISSN 0869-8538

РУБ Chemistry, Multidisciplinary
Рубрики:
FREE-ENERGIES
   APPROXIMATION
   PLUTONIUM(IV)
   CHEMISTRY
   ACTINIDES
Кл.слова (ненормированные):
density functional method -- plutonium (IV) complexes -- the polarizable -- continuum model -- hydrolysis constants -- hydration free energy model -- hydrolysis constants -- hydration free energy
Аннотация: The structure and the first step of hydrolysis of hydrated Pu(IV) ion in aqueous medium were studied using relativistic density functional theory and the polarizable continuum model (PCM). According to calculations, the Pu(IV) ion was mainly coordinated with eight water molecules. The calculated distance Pu-O of 238-241 pm was in good agreement with the experimental value ((239 +/- 2) pm). It was demonstrated that for the correct replication of constants log K-1(0) of the first hydrolysis step, it was important to use scaling multipliers adequate to the charge of the hydrated complex when constructing the density that included the solvated complex in PCM model. The calculated values of log K-1(0) of -1.1...-0.2 were close to the experimentally defined range (-0.6-0.6). The correct replication of hydrolysis constants allowed considering the calculated range of the hydratation free energies of the Pu(IV) ion of 6070-6157 kJ/mol as a reasonable prediction of experimental values.

WOS
Держатели документа:
Russian Acad Sci, Inst Biophys, Siberian Branch, Krasnoyarsk, Russia.
Russian Acad Sci, Inst Chem & Chem Technol, Siberian Branch, Krasnoyarsk, Russia.

Доп.точки доступа:
Ganusova, M. K.; Ivanova-Shor, E. A.; Shor, A. M.; Nasluzov, V. A.; Rubaylo, A. I.

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Production and Properties of Microbial Polyhydroxyalkanoates Synthesized from Hydrolysates of Jerusalem Artichoke Tubers and Vegetative Biomass / T. G. Volova, E. G. Kiselev, A. V. Demidenko [et al.] // Polymers. - 2022. - Vol. 14, Is. 1. - Ст. 132, DOI 10.3390/polym14010132. - Cited References:93. - This study was financially supported by Project "Agropreparations of the new generation: a strategy of construction and realization" (Agreement No. 075-15-2021-626) in accordance with Resolution No. 220 of the Government of the Russian Federation of 9 April 2010, "On measures designed to attract leading scientists to the Russian institutions of higher learning" (polymer synthesis, properties), and by the State Assignment of the Ministry of Science and Higher Education of the Russian Federation No. FSRZ-2020-0006 (films production, surface properties). . - ISSN 2073-4360

РУБ Polymer Science
Рубрики:
GLUCOSE-UTILIZING STRAIN
   RALSTONIA-EUTROPHA
   ASPERGILLUS-NIGER
   ACID
Кл.слова (ненормированные):
Jerusalem artichoke hydrolysates -- PHA synthesis -- productivity -- polyhydroxyalkanoates
Аннотация: One of the major challenges in PHA biotechnology is optimization of biotechnological processes of the entire synthesis, mainly by using new inexpensive carbon substrates. A promising substrate for PHA synthesis may be the sugars extracted from the Jerusalem artichoke. In the present study, hydrolysates of Jerusalem artichoke (JA) tubers and vegetative biomass were produced and used as carbon substrate for PHA synthesis. The hydrolysis procedure (the combination of aqueous extraction and acid hydrolysis, process temperature and duration) influenced the content of reducing substances (RS), monosaccharide contents, and the fructose/glucose ratio. All types of hydrolysates tested as substrates for cultivation of three strains-C. necator B-10646 and R. eutropha B 5786 and B 8562-were suitable for PHA synthesis, producing different biomass concentrations and polymer contents. The most productive process, conducted in 12-L fermenters, was achieved on hydrolysates of JA tubers (X = 66.9 g/L, 82% PHA) and vegetative biomass (55.1 g/L and 62% PHA) produced by aqueous extraction of sugars at 80 degrees C followed by acid hydrolysis at 60 degrees C, using the most productive strain, C. necator B-10646. The effects of JA hydrolysates on physicochemical properties of PHAs were studied for the first time. P(3HB) specimens synthesized from the JA hydrolysates, regardless of the source (tubers or vegetative biomass), hydrolysis conditions, and PHA producing strain employed, exhibited the 100-120 degrees C difference between the T-melt and T-degr, prevailing of the crystalline phase over the amorphous one (C-x between 69 and 75%), and variations in weight average molecular weight (409-480) kDa. Supplementation of the culture medium of C. necator B-10646 grown on JA hydrolysates with potassium valerate and epsilon-caprolactone resulted in the synthesis of P(3HB-co-3HV) and P(3HB-co-4HB) copolymers that had decreased degrees of crystallinity and molecular weights, which influenced the porosity and surface roughness of polymer films prepared from them. The study shows that JA hydrolysates used as carbon source enabled productive synthesis of PHAs, comparable to synthesis from pure sugars. The next step is to scale up PHA synthesis from JA hydrolysates and conduct the feasibility study. The present study contributes to the solution of the critical problem of PHA biotechnology-finding widely available and inexpensive substrates.

WOS
Держатели документа:
Siberian Fed Univ, Sch Fundamental Biol & Biotechnol, Basic Dept Biotechnol, Krasnoyarsk 660041, Russia.
Krasnoyarsk Sci Ctr SB RAS, Fed Res Ctr, Inst Biophys, SB RAS, Krasnoyarsk 660036, Russia.
Krasnoyarsk Sci Ctr SB RAS, LV Kirensky Phys Inst, Fed Res Ctr, SB RAS, Krasnoyarsk 660036, Russia.
Russian Acad Sci, Fed Res Ctr, Krasnoyarsk Sci Ctr, Siberian Branch, Krasnoyarsk 660036, Russia.

Доп.точки доступа:
Volova, Tatiana G.; Kiselev, Evgeniy G.; Demidenko, Alexey V.; Zhila, Natalia O.; Nemtsev, Ivan V.; Lukyanenko, Anna V.; Kiselev, Evgeniy; Project "Agropreparations of the new generation: a strategy of construction and realization" [075-15-2021-626]; State Assignment of the Ministry of Science and Higher Education of the Russian Federation [FSRZ-2020-0006]

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